Lidia Pavlovna Loiko (b.1854) "K ponimaniiu istoricheskogo protseessa", Moscow: Sotrudnichestvo, 1910. The author is an old revolutionary, ideological worker of PSR, very interested in philosophy and sociologe. The book is devoted to the memory of leonid SHISHKO, at first pages Loiko writes on SHISHKO. This book is based partly on the works of SHISHKO. Here the beginning, the last part of the book, the list of recommended essential literature.